<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
    <style>
        body{
            text-align: center;
        }
        #nav{
            margin: 0;
        }
        #menu a{
            display: inline-block;
            width: 80px;
            margin-top: 12px;
            color: white;
            text-decoration: none;
            height: 25px;
            line-height: 25px;
        }
        #menu{
            display: inline-block;
            background-image: url("bj.jpg");
            float:right;
            height: 50px;
            width: 60%;
            
        }
        #logo{
            width: 40%;
        }
        #body{
            width: 1000px;
            margin: auto;
        }
    </style>
</head>

<body>
    <div id="body">
        <img id="top" src="pic_01.jpg"/>
        <div id="nav">
            <img id="logo" src="pic_02.jpg"/>
            <div id="menu">
                <a href="#">主页</a>
                <a href="#">主页</a>
                <a href="#">主页</a>
            </div>
        </div>
        <img id="main" src="pic_03.jpg"/>
    </div>
</body>
</html>
